package com.itheima.chapter03.characterstring;

import java.util.Scanner;

/*
    字符串反转   sb.reverse();

 */
public class demostringbuilder2 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入一个字符串：");
        String line = sc.nextLine();
        String s = myReverse(line);
        System.out.println("s:"+s);
    }
    public static String myReverse(String s){
        StringBuilder sb =new StringBuilder(s);
        sb.reverse();
        String ss = sb.toString();
        return ss;
        //  return new StringBuilder(s).reverse().toString();
    }
}
